Rotating shaft lip-shaped sealing ring with steel body supporting ring structure
By adopting steel support ring structure and multi-layer material design in the seal ring, the problem of deformation and wear of traditional seal rings under high speed rotation or high pressure is solved, and higher sealing performance and simplified installation process are achieved. It is suitable for Harsh environment.
Patent Information
- Application Number
- CN202420596070.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-26
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-26
AI Technical Summary
Traditional sealing rings are prone to deformation or wear under high-speed rotation or high pressure conditions, resulting in a degradation of sealing performance and unable to effectively prevent the leakage of lubricating oil or liquid substances. The installation process is cumbersome, which increases cost and difficulty.
Using a rotating shaft lip seal with a steel body support ring structure, it provides uniform support through the annular arrangement of cavity and multiple steel body rings. It combines the design of inner layer, protective layer, outer layer and protective layer to simplify the installation process and Enhance sealing performance and use stainless steel and fluoroelastic materials to improve corrosion and wear resistance.
Effectively resist the pressure and twisting force of the rotating shaft, enhance the strength and stability of the sealing ring, simplify the installation process, improve installation efficiency and accuracy, is suitable for harsh environments, and reduce manual operation time and cost.
Smart Images

Figure CN222163558U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of sealing rings, in particular to a rotating shaft lip-shaped sealing ring with a steel body supporting ring structure. Background Art
[0002] The rotating shaft lip seal with a steel support ring structure is a common sealing element in the fields of engineering and machinery. This type of seal is usually used on rotating shafts, bearings and other components to prevent the leakage of lubricating oil or other liquid substances. It can also effectively prevent dust, dirt and other impurities from entering the equipment, thereby protecting the normal operation of the equipment.
[0003] Since traditional sealing rings are prone to deformation or wear under high-speed rotation or high-pressure conditions, the sealing performance is reduced, and they cannot effectively prevent the leakage of lubricating oil or liquid substances and cannot provide sufficient supporting force, resulting in deformation or failure of the sealing ring. The installation process is relatively cumbersome and requires additional fixing devices or manual adjustments, which increases the difficulty and cost of installation. Therefore, technical personnel in this field provide a rotating shaft lip sealing ring with a steel support ring structure to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a rotating shaft lip seal ring with a steel body support ring structure is proposed. The lip seal ring of the rotating shaft is provided with a uniform supporting force by utilizing the annular arrangement of the cavity and multiple steel body rings, effectively resisting the pressure and twisting force generated by the rotating shaft, maintaining the integrity of the shape of the seal ring and the sealing performance, and enhancing the strength and stability of the seal ring. By adopting the design of the inner layer, the protective layer, the outer layer and the protective layer, the inner layer is close to the seal ring body to provide direct protection, the protective layer reinforces the protective effect of the inner layer, the outer layer isolates the external environment from erosion, and the protective layer enhances the protection against the external environment. At the same time, the sealing sleeve plays a sealing role. It is suitable for sealing requirements in various harsh working environments. Through the mounting ring, mounting hole, mounting groove and thread, these designs can simplify the installation process of the seal ring, ensure that the seal ring is firmly installed on the equipment, improve installation efficiency, reduce manual operation time and cost, and also increase the accuracy and stability of installation.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotating shaft lip seal ring with a steel body support ring structure, comprising a seal ring body, the inner side wall and the outer side wall of the seal ring body are provided with a protective module, a steel support structure is provided inside the seal ring body, a sealing sleeve is provided at the center of the upper end surface of the protective module, and a mounting module is provided on the outer side wall and the lower end surface of the protective module;
[0006] Through the above technical scheme, by utilizing the cavity and the annular arrangement of multiple steel rings to provide uniform supporting force, the pressure and twisting force generated by the rotating shaft can be effectively resisted, the shape of the sealing ring is kept intact and the sealing performance is maintained, and the strength and stability of the sealing ring are enhanced. By adopting the design of the inner layer, the protective layer, the outer layer and the protective layer, the inner layer is close to the sealing ring body to provide direct protection, the protective layer reinforces the protective effect of the inner layer, the outer layer isolates the external environment from erosion, and the protective layer enhances the protection against the external environment. At the same time, the sealing sleeve plays a sealing role and is suitable for sealing requirements in various harsh working environments. Through the installation ring, the installation hole, the installation groove and the thread, these designs can simplify the installation process of the sealing ring, ensure that the sealing ring is firmly installed on the equipment, improve the installation efficiency, reduce the manual operation time and cost, and also increase the accuracy and stability of the installation.
[0007] Furthermore, the steel support structure comprises a cavity and a plurality of steel rings, wherein the cavity is arranged at the center of the sealing ring body, and the plurality of steel rings are arranged in a ring shape inside the cavity;
[0008] Through the above technical solution, when the rotating shaft runs, multiple steel rings form a circular arrangement inside the cavity, providing uniform supporting force, effectively resisting the pressure and twisting force generated by the rotating shaft, maintaining the shape integrity and sealing performance of the sealing ring, increasing the strength and stability of the sealing ring, and preventing deformation or rupture under high pressure and high temperature environments.
[0009] Further, the protection module comprises an inner layer, a protective layer, an outer layer and a protective layer, the inner layer is sleeved on the inner side wall of the sealing ring body, the protective layer is sleeved on the inner side wall of the inner layer, the outer layer is sleeved on the outer side wall of the sealing ring body, the protective layer is sleeved on the outer side wall of the outer layer, and the sealing sleeve is arranged at the center of the upper end surfaces of the inner layer and the protective layer;
[0010] Through the above technical scheme, the inner layer is tightly attached to the sealing ring body to provide direct protection for the inside of the sealing ring body, the protective layer reinforces the protective effect of the inner layer, the outer layer provides an isolation barrier against the erosion of the external environment, and the protective layer enhances the protection against the external environment. The sealing sleeve is tightly fitted with the rotating shaft to play a sealing role, and is suitable for sealing needs in various harsh working environments.
[0011] Further, the mounting module comprises a mounting ring, four mounting holes, a mounting groove and a thread, the mounting ring is arranged at the lower center of the outer wall of the protection module, the four mounting holes are arranged in a ring shape on the upper end surface of the mounting ring, the mounting groove is arranged on the lower end surface of the protection module, and the thread is sleeved on the inner wall of the mounting groove;
[0012] Through the above technical solution, the installation position and direction of the sealing ring body are determined by the position of the mounting ring, and the mounting hole is used to fix the sealing ring to ensure that the sealing ring is firmly installed on the equipment. The mounting groove and thread are used to facilitate fixation and adjustment during installation, thereby simplifying the installation process of the sealing ring, improving installation efficiency, and reducing manual operation time and costs.
[0013] Furthermore, the inner layer and the outer layer are both made of stainless steel;
[0014] Through the above technical solution, stainless steel has excellent corrosion resistance and wear resistance, effectively protecting the sealing structure from erosion and damage by the external environment, while providing strong support and protection.
[0015] Furthermore, the materials of the shielding layer and the protective layer are both fluororubber;
[0016] Through the above technical solutions, fluororubber has excellent high temperature resistance, chemical corrosion resistance and oil resistance, and can effectively withstand the influence of high temperature, chemical media and other environments.
[0017] Furthermore, the sealing sleeve is made of polyimide;
[0018] Through the above technical solution, polyimide has excellent high temperature resistance, chemical resistance and mechanical strength, is suitable for the manufacture of seals, and can effectively withstand the challenges of high temperature and high pressure environments.
[0019] The utility model has the following beneficial effects:
[0020] 1. In the utility model, the rotating shaft lip seal ring with a steel body support ring structure provides uniform support force by utilizing the cavity and the annular arrangement of multiple steel body rings, effectively resists the pressure and distortion force generated by the rotating shaft, maintains the integrity of the seal ring shape and the sealing performance, and enhances the strength and stability of the seal ring.
[0021] 2. In the utility model, by adopting the design of inner layer, protective layer, outer layer and protective layer, the inner layer is close to the sealing ring body to provide direct protection, the protective layer reinforces the protective effect of the inner layer, the outer layer isolates the external environment from erosion, the protective layer enhances the protection against the external environment, and the sealing sleeve plays a sealing role, which is suitable for sealing needs in various harsh working environments.
[0022] 3. In the utility model, the installation process of the sealing ring can be simplified through the installation ring, the installation hole, the installation groove and the thread, and these designs can ensure that the sealing ring is firmly installed on the equipment, improve the installation efficiency, reduce the manual operation time and cost, and also increase the accuracy and stability of the installation. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1A three-dimensional diagram of a rotating shaft lip seal ring with a steel support ring structure proposed by the utility model;
[0024] Figure 2 This is a three-dimensional cross-sectional view of the rotary shaft lip seal ring with a steel body support ring structure proposed by the utility model;
[0025] Figure 3 This is a front cross-sectional view of a rotating shaft lip seal ring with a steel body support ring structure proposed by the utility model;
[0026] Figure 4 This is a bottom view of the rotating shaft lip seal ring with a steel body support ring structure proposed by the utility model.
[0027] Legend:
[0028] 1. Sealing ring body; 2. Steel support structure; 201. Cavity; 202. Steel body ring; 3. Protection module; 301. Inner layer; 302. Protection layer; 303. Outer layer; 304. Protective layer; 4. Installation module; 401. Installation ring; 402. Installation hole; 403. Installation groove; 404. Thread; 5. Sealing sleeve. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Reference Figure 1-4 The utility model provides an embodiment: a rotating shaft lip seal ring with a steel body support ring structure, including a seal ring body steel body ring 1 steel body ring, a steel body ring seal ring body steel body ring 1 steel body ring inner side wall and outer side wall are provided with a protection module steel body ring 3 steel body ring, the steel body ring seal ring body steel body ring 1 steel body ring is provided with a steel support structure steel body ring 2 steel body ring inside, so that the seal ring can maintain its shape and sealing when rotating at high speed or under force, a sealing sleeve steel body ring 5 steel body ring is provided at the center of the upper end face of the steel body ring protection module steel body ring 3 steel body ring, and an installation module steel body ring 4 steel body ring is provided on the outer side wall and lower end face of the steel body ring protection module steel body ring 3 steel body ring, which simplifies the installation process, ensures that the seal ring is correctly fixed on the equipment, and plays a role in protecting the seal ring and the support structure. At the same time, a sealing sleeve steel body ring 5 steel body ring is provided at the center of the upper end face to enhance the sealing effect.
[0031] The steel body ring steel support structure steel body ring 2 steel body ring includes a cavity steel body ring 201 steel body ring and multiple steel body rings 202 steel body rings. The steel body ring cavity steel body ring 201 steel body ring is arranged at the center of the sealing ring body steel body ring 1 steel body ring, and the multiple steel body rings 202 steel body rings are arranged in a ring shape inside the cavity steel body ring 201 steel body ring. When the rotating shaft rotates, the multiple steel body rings 202 steel body rings form a ring arrangement inside the cavity steel body ring 201 steel body ring, providing uniform supporting force, effectively resisting the pressure and distortion force generated by the rotating shaft, maintaining the shape integrity and sealing performance of the sealing ring, increasing the strength and stability of the sealing ring, and preventing deformation or rupture under high pressure and high temperature environment.
[0032] The steel body ring protection module steel body ring 3 comprises an inner steel body ring 301 steel body ring, a protective layer steel body ring 302 steel body ring, an outer steel body ring 303 steel body ring and a protective layer steel body ring 304 steel body ring. The inner steel body ring 301 steel body ring is arranged on the inner side wall of the sealing ring body steel body ring 1 steel body ring, the steel body ring protective layer steel body ring 302 steel body ring is arranged on the inner side wall of the inner steel body ring 301 steel body ring, the outer steel body ring 303 steel body ring is arranged on the outer side wall of the sealing ring body steel body ring 1 steel body ring, the steel body ring protective layer steel body ring 304 steel body ring is arranged on the outer side wall of the outer steel body ring 303 steel body ring, and the steel body ring sealing sleeve steel The body ring 5 is arranged at the center of the upper end surface of the inner steel body ring 301 and the protective layer steel body ring 302. The inner steel body ring 301 is tightly attached to the sealing ring body steel body ring 1, providing direct protection for the inside of the sealing ring body 1. The protective layer steel body ring 302 reinforces the protection of the inner layer 301. The outer steel body ring 303 provides an isolation barrier against the erosion of the external environment. The protective layer steel body ring 304 enhances the protection against the external environment. The sealing sleeve steel body ring 5 is tightly fitted with the rotating shaft to play a sealing role, which is suitable for sealing needs in various harsh working environments.
[0033] The steel body ring installation module steel body ring 4 steel body ring includes a mounting ring steel body ring 401 steel body ring, four mounting hole steel body rings 402 steel body rings, a mounting groove steel body ring 403 steel body ring and a threaded steel body ring 404 steel body ring. The steel body ring mounting ring steel body ring 401 steel body ring is arranged at the lower center of the outer wall of the protection module steel body ring 3 steel body ring. The four steel body ring mounting holes steel body ring 402 steel body rings are respectively arranged in a ring shape on the upper end surface of the mounting ring steel body ring 401 steel body ring. The steel body ring mounting groove steel body ring 403 steel body ring is arranged It is placed on the lower end face of the steel body ring 3 of the protection module, and the steel body ring threaded steel body ring 404 is set on the inner wall of the steel body ring of the installation groove steel body ring 403. The installation position and direction of the sealing ring body 1 are determined by the position of the installation ring 401. The installation hole 402 is used to fix the sealing ring to ensure that the sealing ring is firmly installed on the equipment. The installation groove 403 and the thread 404 are used to fix and adjust during installation, which simplifies the installation process of the sealing ring, improves installation efficiency, and reduces manual operation time and cost.
[0034] The inner layer steel body ring 301 and the outer layer steel body ring 303 are both made of stainless steel. Stainless steel has excellent corrosion resistance and wear resistance, which can effectively protect the sealing structure from erosion and damage from the external environment, while providing strong support and protection. The steel body ring protective layer steel body ring 302 and the protective layer steel body ring 304 are both made of fluororubber. Fluororubber has excellent high temperature resistance, chemical corrosion resistance and oil resistance, and can effectively withstand the influence of high temperature, chemical media and other environments. The steel body ring sealing sleeve steel body ring 5 is made of polyimide. Polyimide has excellent high temperature resistance, chemical resistance and mechanical strength, is suitable for the manufacture of seals, and can effectively withstand the challenges under high temperature and high pressure environments.
[0035] Working principle: The installation position and direction of the sealing ring body 1 are determined by the position of the mounting ring 401. The mounting hole 402 is used to fix the sealing ring to ensure that the sealing ring is firmly installed on the equipment. The mounting groove 403 and the thread 404 are used to fix and adjust the sealing ring during installation, simplifying the installation process of the sealing ring, improving the installation efficiency, and reducing the manual operation time and cost. When the rotating shaft is running, multiple steel rings 202 are arranged in a ring inside the cavity steel ring 201, providing uniform support force, effectively resisting the pressure and distortion force generated by the rotating shaft, and maintaining the shape integrity and sealing of the sealing ring. Performance, increase the strength and stability of the sealing ring, prevent deformation or rupture under high pressure and high temperature environment, the inner steel body ring 301 steel body ring is close to the sealing ring body steel body ring 1 steel body ring provides direct protection for the inside of the sealing ring body 1, the protective layer steel body ring 302 steel body ring reinforces the protection of the inner layer 301, the outer steel body ring 303 steel body ring provides an isolation barrier against the erosion of the external environment, the protective layer steel body ring 304 steel body ring enhances the protection against the external environment, the sealing sleeve steel body ring 5 steel body ring is tightly fitted with the rotating shaft to play a sealing role, which is suitable for sealing needs in various harsh working environments.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A rotary shaft lip seal ring with a steel support ring structure, comprising a seal ring body (1), Features: The inner and outer walls of the sealing ring body (1) are provided with a protective module (3), a steel support structure (2) is provided inside the sealing ring body (1), a sealing sleeve (5) is provided at the center of the upper end surface of the protective module (3), and a mounting module (4) is provided on the outer wall and lower end surface of the protective module (3).
2. The rotary shaft lip seal ring with a steel support ring structure according to claim 1, Features: The steel support structure (2) comprises a cavity (201) and a plurality of steel rings (202); the cavity (201) is arranged at the center of the sealing ring body (1); and the plurality of steel rings (202) are arranged in a ring-shaped manner inside the cavity (201).
3. The rotary shaft lip seal ring with a steel support ring structure according to claim 1, Features: The protective module (3) comprises an inner layer (301), a protective layer (302), an outer layer (303) and a protective layer (304); the inner layer (301) is sleeved on the inner wall of the sealing ring body (1); the protective layer (302) is sleeved on the inner wall of the inner layer (301); the outer layer (303) is sleeved on the outer wall of the sealing ring body (1); the protective layer (304) is sleeved on the outer wall of the outer layer (303); and the sealing sleeve (5) is arranged at the center of the upper end surfaces of the inner layer (301) and the protective layer (302).
4. The rotary shaft lip seal ring with a steel support ring structure according to claim 1, Features: The mounting module (4) comprises a mounting ring (401), four mounting holes (402), a mounting groove (403) and a thread (404); the mounting ring (401) is arranged at the lower center of the outer wall of the protection module (3); the four mounting holes (402) are arranged in a circular shape on the upper end surface of the mounting ring (401); the mounting groove (403) is arranged on the lower end surface of the protection module (3); and the thread (404) is sleeved on the inner wall of the mounting groove (403).
5. The rotary shaft lip seal ring with a steel support ring structure according to claim 3, Features: The inner layer (301) and the outer layer (303) are both made of stainless steel.
6. The rotary shaft lip seal ring with a steel body support ring structure according to claim 3, Features: The materials of the protection layer (302) and the protective layer (304) are both fluororubber.
7. The rotary shaft lip seal ring with a steel body support ring structure according to claim 1, Features: The sealing sleeve (5) is made of polyimide.
